package com.encryption.dao;

import java.util.List;

import org.hibernate.Criteria;
import org.hibernate.LockMode;
import org.hibernate.Query;
import org.hibernate.criterion.Example;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.encryption.model.FileAction;

/**
 * A data access object (DAO) providing persistence and search support for
 * FileAction entities. Transaction control of the save(), update() and delete()
 * operations can directly support Spring container-managed transactions or they
 * can be augmented to handle user-managed Spring transactions. Each of these
 * methods provides additional information for how to configure it for the
 * desired type of transaction control.
 * 
 * @see com.encryption.model.FileAction
 * @author MyEclipse Persistence Tools
 */

public class FileActionDAO extends BaseHibernateDAO {
	private static final Logger log = LoggerFactory
			.getLogger(FileActionDAO.class);
	// property constants
	public static final String NAME = "name";

	public void save(FileAction transientInstance) {
		log.debug("saving FileAction instance");
		try {
			getSession().save(transientInstance);
			log.debug("save successful");
		} catch (RuntimeException re) {
			log.error("save failed", re);
			throw re;
		}
	}

	public void delete(FileAction persistentInstance) {
		log.debug("deleting FileAction instance");
		try {
			getSession().delete(persistentInstance);
			getSession().flush();
			log.debug("delete successful");
		} catch (RuntimeException re) {
			log.error("delete failed", re);
			throw re;
		}
	}

	public FileAction findById(java.lang.Integer id) {
		log.debug("getting FileAction instance with id: " + id);
		try {
			FileAction instance = (FileAction) getSession().get(
					"com.encryption.model.FileAction", id);
			return instance;
		} catch (RuntimeException re) {
			log.error("get failed", re);
			throw re;
		}
	}

	public List findByExample(FileAction instance) {
		log.debug("finding FileAction instance by example");
		try {
			List results = getSession()
					.createCriteria("com.encryption.model.FileAction")
					.add(Example.create(instance)).list();
			log.debug("find by example successful, result size: "
					+ results.size());
			return results;
		} catch (RuntimeException re) {
			log.error("find by example failed", re);
			throw re;
		}
	}

	public List findByProperty(String propertyName, Object value) {
		log.debug("finding FileAction instance with property: " + propertyName
				+ ", value: " + value);
		try {
			String queryString = "from FileAction as model where model."
					+ propertyName + "= ?";
			Query queryObject = getSession().createQuery(queryString);
			queryObject.setParameter(0, value);
			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find by property name failed", re);
			throw re;
		}
	}

	public List findByName(Object name) {
		return findByProperty(NAME, name);
	}

	public List findAll() {
		log.debug("finding all FileAction instances");
		try {
			String queryString = "from FileAction";
			Query queryObject = getSession().createQuery(queryString);
			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find all failed", re);
			throw re;
		}
	}

	public FileAction merge(FileAction detachedInstance) {
		log.debug("merging FileAction instance");
		try {
			FileAction result = (FileAction) getSession().merge(
					detachedInstance);
			log.debug("merge successful");
			getSession().flush();
			return result;
		} catch (RuntimeException re) {
			log.error("merge failed", re);
			throw re;
		}
	}

	public void attachDirty(FileAction instance) {
		log.debug("attaching dirty FileAction instance");
		try {
			getSession().saveOrUpdate(instance);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	public void attachClean(FileAction instance) {
		log.debug("attaching clean FileAction instance");
		try {
			getSession().lock(instance, LockMode.NONE);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	/**
	 * 根据condition对用户表查询
	 * 
	 * @param instance
	 * @return
	 */
	public List<FileAction> findByExample(List<Condition> conditions) {
		log.debug("finding FileAction instance by example");
		try {

			Criteria criteria = getSession().createCriteria(FileAction.class);

			// 设置查询条件
			BaseHibernateDAO.addCriteria(conditions, criteria);

			List<FileAction> results = criteria.list();
			log.debug("find by example successful, result size: "
					+ results.size());
			return results;
		} catch (RuntimeException re) {
			log.error("find by example failed", re);
			throw re;
		}
	}

	/**
	 * 分页查询用户表
	 */
	public List<FileAction> findByExample4Page(List<Condition> conditions,
			int page, int pageSize) {
		log.debug("finding FileAction instance by example");
		try {
			Criteria criteria = getSession().createCriteria(FileAction.class);
			// 设置查询条件
			BaseHibernateDAO.addCriteria(conditions, criteria);
			criteria.setFirstResult(page);
			criteria.setFetchSize(pageSize);
			List<FileAction> results = criteria.list();

			log.debug("find by example successful, result size: "
					+ results.size());
			return results;
		} catch (RuntimeException re) {
			log.error("find by example failed", re);
			throw re;
		}
	}

	private static FileActionDAO fileActionDAO = null;

	public static FileActionDAO getFileActionDAO() {
		if (null == fileActionDAO) {
			fileActionDAO = new FileActionDAO();
		}
		return fileActionDAO;
	}

}